Update Dockerfile to include Faiss library

[PPPoint-t]

Modify Dockerfile to support faiss

[ljcui]

在centos7的编译环境下，ldd 下 lgraph_server ，贴下依赖了哪些动态库。

[PPPoint-t]

在centos7的编译环境下，ldd 下 lgraph_server ，贴下依赖了哪些动态库。
centos7环境下动态库依赖：
linux-vdso.so.1 => (0x00007fff30b63000)
libvsag.so => /usr/local/lib/libvsag.so (0x00007fa75228b000)
liblgraph.so => /usr/local/lib/liblgraph.so (0x00007fa74fea1000)
libpthread.so.0 => /usr/local/lib/libpthread.so.0 (0x00007fa74fc85000)
librt.so.1 => /usr/local/lib/librt.so.1 (0x00007fa74fa7d000)
libz.so.1 => /usr/local/lib/libz.so.1 (0x00007fa74f867000)
libdl.so.2 => /usr/local/lib/libdl.so.2 (0x00007fa74f663000)
libm.so.6 => /usr/local/lib/libm.so.6 (0x00007fa74f361000)
libc.so.6 => /usr/local/lib/libc.so.6 (0x00007fa74ef93000)
/lib64/ld-linux-x86-64.so.2 (0x00007fa752d83000)
libgomp.so.1 => /usr/local/lib/libgomp.so.1 (0x00007fa74ed67000)
libgfortran.so.5 => /usr/local/lib/libgfortran.so.5 (0x00007fa74e8ef000)
libgcc_s.so.1 => /usr/local/lib/libgcc_s.so.1 (0x00007fa74e6d7000)
libquadmath.so.0 => /usr/local/lib/libquadmath.so.0 (0x00007fa74e497000)